The IUPD doesn't want to deal with you any more than you want to deal with them, but if you ask the officers, they'll tell you stories. One officer arrested a woman for public indecency because she was urinating on the sidewalk . . . within plain view of the police station. Another officer was driving behind a vehicle that wasn't at all suspicious, until the driver, convinced he was being followed by a cop, poured the to-go cup full of vodka he was sipping from out the window. It happened to splatter on the windshield of the policeman behind him. The IUPD doesn't spend time prowling the bars, waiting for drunken people to stumble home, but if you call attention to yourself by being a moron, you're going to get nabbed. In other words, don't be stupid, and you won't get in trouble.
The student body doesn't cease to participate in any extracurricular activities because of a fear of police, RAs, or the student judicial board, but knowing that there are indeed outlets designed to protect you from your own bad decision-making can leave time for rationale to set in. The cops catch a lot of people doing illegal things, but they don't seem to put too much of a cramp in IU's party style, particularly when it comes to alcohol. A force to be reckoned with? Hardly, but police will put students in their place if they must.